<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        //形成键值
       const arr  = Object.fromEntries([
           ['name','hahha'],
           ['hobby','basketballpin,gbang,ball']
       ])
        // hobby: "basketballpin,gbang,ball"
        // name: "hahha"
       console.log(arr)
    </script>
</body>
</html>